diff --git a/openbsc/include/openbsc/abis_nm.h b/openbsc/include/openbsc/abis_nm.h
index c237613..a122342 100644
--- a/openbsc/include/openbsc/abis_nm.h
+++ b/openbsc/include/openbsc/abis_nm.h
@@ -211,6 +211,7 @@
 enum abis_nm_msgtype_ipacc {
 	NM_MT_IPACC_RESTART		= 0x87,
 	NM_MT_IPACC_RESTART_ACK,
+	NM_MT_IPACC_RESTART_NACK,
 	NM_MT_IPACC_RSL_CONNECT		= 0xe0,
 	NM_MT_IPACC_RSL_CONNECT_ACK,
 	NM_MT_IPACC_RSL_CONNECT_NACK,
diff --git a/openbsc/include/openbsc/signal.h b/openbsc/include/openbsc/signal.h
index 8b6b4a6..23551f7 100644
--- a/openbsc/include/openbsc/signal.h
+++ b/openbsc/include/openbsc/signal.h
@@ -70,6 +70,8 @@
 	S_NM_NACK,		/* GSM 12.21 various NM_MT_*_NACK happened */
 	S_NM_IPACC_NACK,	/* GSM 12.21 nanoBTS extensions NM_MT_IPACC_*_*_NACK happened */
 	S_NM_IPACC_ACK,		/* GSM 12.21 nanoBTS extensions NM_MT_IPACC_*_*_ACK happened */
+	S_NM_IPACC_RESTART_ACK, /* nanoBTS has send a restart ack */
+	S_NM_IPACC_RESTART_NACK,/* nanoBTS has send a restart ack */
 	S_NM_TEST_REP,		/* GSM 12.21 Test Report */
 };
 
diff --git a/openbsc/src/abis_nm.c b/openbsc/src/abis_nm.c
index 8a96704..bb2455d 100644
--- a/openbsc/src/abis_nm.c
+++ b/openbsc/src/abis_nm.c
@@ -1070,6 +1070,12 @@
 	case NM_MT_CONN_MDROP_LINK_ACK:
 		DEBUGP(DNM, "CONN MDROP LINK ACK\n");
 		break;
+	case NM_MT_IPACC_RESTART_ACK:
+		dispatch_signal(SS_NM, S_NM_IPACC_RESTART_ACK, NULL);
+		break;
+	case NM_MT_IPACC_RESTART_NACK:
+		dispatch_signal(SS_NM, S_NM_IPACC_RESTART_NACK, NULL);
+		break;
 	}
 
 	return 0;
diff --git a/openbsc/src/ipaccess/ipaccess-config.c b/openbsc/src/ipaccess/ipaccess-config.c
index 29b9a9b..432179e 100644
--- a/openbsc/src/ipaccess/ipaccess-config.c
+++ b/openbsc/src/ipaccess/ipaccess-config.c
@@ -202,6 +202,14 @@
 		return ipacc_msg_ack(ipacc_data->msg_type, ipacc_data->bts);
 	case S_NM_TEST_REP:
 		return test_rep(signal_data);
+	case S_NM_IPACC_RESTART_ACK:
+		printf("The BTS has acked the restart. Exiting.\n");
+		exit(0);
+		break;
+	case S_NM_IPACC_RESTART_NACK:
+		printf("The BTS has nacked the restart. Exiting.\n");
+		exit(0);
+		break;
 	default:
 		break;
 	}